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Siemens MICROMASTER 420 VFD

Manufacturer: Siemens
Model: MICROMASTER 420
Power Range: 0.12-11kW (0.16-15hp)
Supply Voltage: 200-240V or 380-480V (1-phase or 3-phase)
Breaking Capacity: Up to 22kA (model-dependent)
Protection Rating: IP20
Application: General industrial use

Product Description

The Siemens MICROMASTER 420 Variable Frequency Drive (VFD) is designed for flexible control of 3-phase asynchronous motors, suitable for applications from 0.12kW to 11kW (0.16hp to 15hp). Operating at 200-240V (1-phase or 3-phase) or 380-480V (3-phase), it features V/f control and optional braking, with an IP20 rating. Ideal for conveyor systems, pumps, and fans, it offers simple setup and robust performance in ambient temperatures from -10°C to 50°C, with optional EMC filters for enhanced compatibility.

Standard Features

  • Power Range: 0.12-11kW (0.16-15hp) for varied industrial applications

  • Voltage Compatibility: 200-240V (1-phase or 3-phase) or 380-480V (3-phase)

  • Protection: IP20 rating with optional EMC filtering

  • Control: V/f control with adjustable pulse frequency

  • Overload Capability: 150% for 60 seconds

  • Communication: Supports Modbus RTU and USS protocol

  • Durability: Operates from -10°C to 50°C ambient temperature

Technical Specifications

ModelRated Power (kW/hp)Supply VoltageContinuous Output Current (A)EMC Filter
6SE64202UC112AA10.12kW / 0.16hp200-240V (1-phase)0.9ANo
6SE64202UC175AA10.75kW / 1hp200-240V (1-phase)3.9ANo
6SE64202UC230CA13kW / 4hp200-240V (3-phase)12.2AYes
6SE64202UC240CA14kW / 5hp200-240V (3-phase)16.5AYes
6SE64202UC255CA15.5kW / 7.5hp200-240V (3-phase)23AYes
6SE64202UD137AA10.37kW / 0.5hp380-480V (3-phase)1.2ANo
6SE64202UD222BA12.2kW / 3hp380-480V (3-phase)5.9ANo
6SE64202UD255CA15.5kW / 7.5hp380-480V (3-phase)13AYes
6SE64202UD311CA111kW / 15hp380-480V (3-phase)23AYes

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